Overview
The CD4056BME4 is a CMOS BCD-to-7-Segment LCD Decoder/Driver produced by Texas Instruments. This IC is designed to drive liquid crystal displays (LCDs) by converting Binary-Coded Decimal (BCD) inputs into 7-segment outputs. It is part of the CD4056B series and is widely used in applications requiring LCD interfacing. The device operates within a wide voltage range of 3V to 18V, making it versatile for various electronic systems. Its compact SOP-16 package and low power consumption make it suitable for portable and embedded applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Function | BCD-to-7-Segment LCD Decoder/Driver | - | - |
| Manufacturer | Texas Instruments | - | - |
| Package | SOP-16 | - | - |
| Operating Voltage | 3 to 18 | V | - |
| Maximum Clock Frequency | 8 | MHz | - |
| Power Dissipation | 500 | mW | 1/2 W |
| Operating Temperature | -55 to +125 | °C | - |
| Supply Current (Max) | 300 | µA | - |
| Number of Digits | 1 | - | - |
| Segment Configuration | 4:7 | - | - |
Key Features
- Wide operating voltage range (3V to 18V) for compatibility with various systems.
- Low power consumption, ideal for battery-powered devices.
- Compact SOP-16 package for space-constrained applications.
- BCD-to-7-segment decoding simplifies LCD interfacing.
- Robust performance across a wide temperature range (-55°C to +125°C).
Applications
The CD4056BME4 is commonly used in applications such as digital clocks, calculators, instrumentation panels, and other devices requiring LCD displays. Its ability to interface with LCDs efficiently makes it a popular choice in consumer electronics, industrial automation, and automotive systems. The device's wide operating voltage range and low power consumption also make it suitable for portable and embedded systems.
Q & A
1. What is the operating voltage range of the CD4056BME4?
The CD4056BME4 operates within a voltage range of 3V to 18V.
2. What is the maximum clock frequency supported by this IC?
The maximum clock frequency is 8 MHz.
3. What is the power dissipation of the CD4056BME4?
The power dissipation is 500 mW (1/2 W).
4. What is the operating temperature range of the CD4056BME4?
The operating temperature range is -55°C to +125°C.
5. What is the package type of the CD4056BME4?
The package type is SOP-16.
6. What is the function of the CD4056BME4?
It is a BCD-to-7-Segment LCD Decoder/Driver.
7. Is the CD4056BME4 RoHS compliant?
Yes, the CD4056BME4 is RoHS compliant.
8. What is the supply current (max) of the CD4056BME4?
The maximum supply current is 300 µA.
9. How many digits can the CD4056BME4 drive?
It can drive 1 digit.
10. What are the typical applications of the CD4056BME4?
Typical applications include digital clocks, calculators, and instrumentation panels.
